{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363994",
    "entityType": "User",
    "nonce": "0xa690f7b9d89c547054bfac042402a347482f9f451333de429e1b129ee089fef6",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}